Vacuum-operated suction cup



FIG. 1 is a bottom plan view of a vacuum-operated suction cup showing mynew design;

FIG. 2 is a side elevational view thereof, the opposing left and rightsides being the same in appearance as the side shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-section taken on line 4--4 of FIG. 3; and

FIG. 5 is a perspective view from the bottom thereof.

The ornamental design for a vacuum-operated suction cup, substantiallyas shown and described.